- Add `via_stack_from_rules` [PR](https://github.com/gdsfactory/gdsfactory/pull/1391)
- add `gf.fill.fill_rectangle_custom` which allows you to fill a region with a custom cell [PR](https://github.com/gdsfactory/gdsfactory/pull/1392)
[6.54.0](https://github.com/gdsfactory/gdsfactory/pull/1388)
- add gap parameter to via
[6.53.0](https://github.com/gdsfactory/gdsfactory/pull/1387)
- better error messages for `delay_snake`
[6.52.0](https://github.com/gdsfactory/gdsfactory/pull/1385)
- install rich, jupytext and klayout, by default with `pip install gdsfactory`
- logger.level = 'WARNING' by default
- gf --version prints version of all packages
- add `gf.config.print_version()` and `gf.config.print_version_pdks()`